Abstract: A bimodal lithium transition metal oxide based powder mixture comprising a first and a second lithium transition metal oxide based powder. The first powder comprises a material A having a layered crystal structure comprising the elements Li, a transition metal based composition M and oxygen and has a particle size distribution with a span <1.0. The second powder has a monolithic morphology and a general formula Li1+bN?1-bO2, wherein ?0.03?b?0.10, and N?=NixM?yCozEd, wherein 0.30?x?0.92, 0.05?y?0.40, 0.05?z?0.40 and 0?d?0.10, with M? being one or both of Mn or Al, and E being a dopant different from M?. The first powder has an average particle size D50 between 10 and 40 ?m. The second powder has an average particle size D50 between 2 and 4 ?m. The weight ratio of the second powder in the bimodal mixture is between 20 and 60 wt %.

Abstract: A bimodal lithium transition metal oxide based powder mixture comprises a first and a second lithium transition metal oxide based powder. The first powder comprises particles of a material A comprising the elements Li, a transition metal based composition M and oxygen. The first powder has a particle size distribution characterized by a (D90?D10)/D50<1.0. The second powder comprises a material B having single crystal particles, said particles having a general formula Li+bN??bO2, wherein ?0.03?b?0.10, and N?=NixM?yCozEd, wherein 0.30?x?0.92, 0.05?y?0.40, 0.05?z?0.40 and 0?d?0.10, wherein M? is one or both of Mn or Al, and E is a dopant different from M?. The first powder has an average particle size D50 between 10 and 40 ?m. The second powder has a D50 between 2 and 4 ?m. The weight ratio of the second powder in the mixture is between 15 and 60 wt %.

Abstract: A precursor compound for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor being either one of a metal-bearing M?-hydroxide, -oxyhydroxide or -carbonate, with M?=Ni1-x-y-zMnxCOyAz with x>0, y>0, 0.70?1-x-y-z?0.95 and 0?z<0.1, the precursor comprising having a core comprising a metal-bearing compound M?c and a shell comprising a metal-bearing compound M?s, wherein M?c=Ni1-xc-yc-zcMnxcCOycAzc with 0<xc?0.2, 0<yc?0.2, 0?zc<0.1 and 0.75?1-x-y-z?0.95, and M?s=Ni1-xs-ys-zsMnxsCOysAzs with 0<xs?0.25, 0.75<ys?0.95, 0?zs<0.1 and 0?1-xs-ys-zs?0.10.

Abstract: A powderous positive electrode material for a lithium secondary battery has the general formula Li1+x[Ni1?a?b?cMaM?bM?c]1?xO2?z. M is one or more elements of the group Mn, Zr and Ti. M? is one or more elements of the group Al, B and Co. M? is a dopant different from M and M?, and x, a, b and c are expressed in mol with ?0.02?x?0.02, 0?c?0.05, 0.10?(a+b)?0.65 and 0?z?0.05. The material has an unconstrained cumulative volume particle size distribution value (?0(D10P=0)), a cumulative volume particle size distribution value after having been pressed at a pressure of 200 MPa (?P(D10P=200)) and a cumulative volume particle size distribution value after having been pressed at a pressure of 300 MPa (?P(D10P=300)). When ?P(D10P=200) is compared to ?0(D10P=0), the relative increase in value is less than 100%. When ?P(D10P=300) is compared to ?0(D10P=0), the relative increase in value is less than 120%.

Abstract: A crystalline precursor compound for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor having a general formula Li1?a((Niz(Ni0.5Mn0.5)yCox)1?kAk)1+aO2, wherein A comprises at least one element of the group consisting of: Mg, Al, Ca, Si, B, W, Zr, Ti, Nb, Ba, and Sr, with 0.05?x?0.40, 0.25?z?0.85, x+y+z=1, 0?k?0.10, and 0?a?0.053, wherein said crystalline precursor powder has a crystalline size L, expressed in nm, with 15?L?36.

Abstract: A lithium secondary cell having an operating voltage ?4.35V, comprising a cathode comprising a doped LiCoO2 active material, an anode comprising graphite, and an electrolyte comprising a carbonate-based solvent, a lithium salt and both a succinonitrile (SN) and a lithium bis(oxalato)borate (LiBOB) additive wherein during the discharge at 45° C. from a state of charge (SOC) of 100% at 4.5V to a SOC of 0 at 3V at a C/10 rate the difference of the SOC at 4.42V and 4.35V is at least 7% but less than 14%, and wherein the active material is doped by at least 0.5 mole % of either one or more of Mn, Mg and Ti.

Abstract: A lithium cobalt-based oxide cathode active material powder comprising particles having a median particle size D50 of greater than or equal to 20 ?m, preferably 25 ?m, and less than or equal to 45 ?m, said particles having an averaged circularity of greater than or equal to 0.85 and less than or equal to 1.00, said particles having a general formula Li1+aCo1-x-y-zAlxM?yMezO2, wherein M? and Me comprise at least one element of the group consisting of: Ni, Mn, Nb, Ti, W, Zr, and Mg, with ?0.01?a?0.01, 0.002?x?0.050, 0?y?0.020 and 0?z?0.050, said lithium cobalt-based oxide particles having a R-3m structure and (018) diffraction peak asymmetry factor AD(018) of greater than or equal to 0.85 and less than or equal to 1.15, said diffraction peak asymmetry factor being obtained by a synchrotron XRD spectrum analysis with an emission wavelength ? value equal to 0.825 ?.

Abstract: The invention provides a positive electrode active material for a lithium ion battery, comprising a lithium transition metal-based oxide powder, the powder comprising single crystal monolithic particles comprising Ni and Co and having a general formula Li1+a ((Niz (Ni1/2 Mn1/2)y Cox)1?kAk)1-a 02, wherein A is a dopant, ?0.02<a?0.06, 0.10?x?0.35, 0?z?0.90, x+y+z=1 and k?0.01, the particles having a cobalt concentration gradient wherein the particle surface has a higher Co content than the particle center.

Abstract: A positive electrode active material for a lithium ion battery comprises a lithium transition metal-based oxide powder, the powder comprising single crystal monolithic particles comprising Ni and Co and having a general formula Li1+a (Niz Mny Cox Zrq Ak)1?a O2, wherein A is a dopant, ?0.025?a<0.005, 0.60?z?0.95, y?0.20, 0.05?x?0.20, k?0.20, 0?q?0.10, and x+y+z+k+q=1. The particles have a cobalt concentration gradient wherein the particle surface has a higher Co content than the particle center.

Abstract: A rechargeable electrochemical cell comprising a negative electrode and a positive electrode is described. The positive electrode comprises a product having as overall formula Lip(NixMnyCozMmAlnAa)O2±b, wherein M signifies one or more elements from the group Mg, Ti, Cr, V and Fe, wherein A signifies one or more elements from the group F, C, Cl, S, Zr, Ba, Y, Ca, B, Sn, Sb, Na and Zn, and wherein 0.9<(x+y+z+m+n+a)<1.1, b<0.02, 0.9<p<1.110, 0.30<x<0.95, (y+z)?0.09, 0?m?0.05, 0?a?0.05, and 0?n?0.15. The negative electrode comprises composite particles, wherein the composite particles comprise silicon-based domains in a matrix material. The individual silicon-based domains are either free silicon-based domains that are not or not completely embedded in the matrix or are fully embedded silicon-based domains that are completely surrounded by the matrix material.

Abstract: A crystalline precursor compound for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor having a general formula M(O)x(OH)2-x-y(CO3)y, with 0<x?1, 0<y<0.03 and M=NiaMnbCocAd. A being a dopant, with 0.30?a<0.90, 0.10?b<0.40, 0.10?c<0.40, d<0.05 and a+b+c+d=1, the precursor having a Na content less than 200 ppm, a S content less than 250 ppm, the precursor having a specific surface area with a BET value expressed in m2/g and a tap density TD expressed in g/cm3, with a ratio BET/TD>30.104 cm5/g2.

Abstract: A carbonate precursor compound for manufacturing a lithium metal (M)-oxide powder usable as an active positive electrode material in lithium-ion batteries, M comprising 20 to 90 mol % Ni, 10 to 70 mol % Mn and 10 to 40 mol % Co, the precursor further comprising a sodium and sulfur impurity, wherein the sodium to sulfur molar ratio (Na/S) is 0.4<Na/S<2. Thes lithium metal (M)-oxide powder has a particle size distribution with 10 ?m?D50?20 ?m, a specific surface with 0.9?BET?5, the BET being expressed in g/cm2, the powder further comprises a sodium and sulfur impurity, wherein the sum (2*Nawt)+Swt of the sodium (Nawt) and sulfur (Swt) content expressed in wt % is more than 0.4 wt % and less than 1.6 wt %, and wherein the sodium to sulfur molar ratio (Na/S) is 0.4<Na/S<2.

Abstract: This invention relates to an industrial process of manufacturing hydroxide precursor for lithium transition metal oxide used in secondary lithium ion batteries. More particularly, this process utilizes highly concentrated nitrate salts and is designed to mitigate waste production.

Abstract: A method for producing a M-carbonate precursor of a Li-M oxide cathode material in a continuous reactor, wherein M=NixMnyCozAn, A being a dopant, with x>0, y>0, 0?z?0.35, 0?n?0.02 and x+y+z+n=1, the method comprising the steps of: —providing a feed solution comprising Ni-, Mn-, Co- and A-ions, and having a molar metal content M? feed, —providing an ionic solution comprising either one or both of a carbonate and a bicarbonate solution, the ionic solution further comprising either one or both of Na- and K-ions, —providing a slurry comprising seeds comprising M?-ions and having a molar metal content M? seeds, wherein M?=Nix?Mny?Coz?A?n?, A? being a dopant, with 0?x??1, 0?y??1, 0?z??1, 0?n??1 and x?+y?+z?+n?=1, and wherein the molar ratio M? seeds/M? feed is between 0.001 and 0.

Abstract: A crystalline precursor compound for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor having a general formula Li1?a((Niz(Ni0.5Mn0.5)yCox)1?kAk)1+aO2, wherein A comprises at least one element of the group consisting of: Mg, Al, Ca, Si, B, W, Zr, Ti, Nb, Ba, and Sr, with 0.05?x?0.40, 0.25?z?0.85, x+y+z=1, 0?k?0.10, and 0?a?0.053, wherein said crystalline precursor powder has a crystalline size L, expressed in nm, with 15?L?36.

Abstract: A powderous positive electrode material for a lithium secondary battery has the general formula Li1+x[Ni1?a?b?cMaM?bM?c]1?xO2?z. M is one or more elements of the group Mn, Zr and Ti. M? is one or more elements of the group Al, B and Co. M? is a dopant different from M and M?, and x, a, b and c are expressed in mol with ?0.02?x?0.02, 0?c?0.05, 0.10?(a+b)?0.65 and 0?z?0.05. The material has an unconstrained cumulative volume particle size distribution value (?0(D10P=0)), a cumulative volume particle size distribution value after having been pressed at a pressure of 200 MPa (?P(D10P=200)) and a cumulative volume particle size distribution value after having been pressed at a pressure of 300 MPa (?P(D10P=300)). When ?P(D10P=200) is compared to ?0(D10P=0), the relative increase in value is less than 100%. When ?P(D10P=300) is compared to ?0(D10P=0), the relative increase in value is less than 120%.

Abstract: A method for preparing a N(M)C-based positive electrode materials according to the present invention comprises the following steps: —Precipitation of a metal (at least Ni— and Co—, preferably comprising Mn—) bearing precursor (MBP), —Fractionation of the MBP in a first (A) fraction and at least one second (B) fraction, —Lithiation of each of the first and second fraction, wherein the A fraction is converted into a first polycrystalline lithium transition metal oxide-based powder and the B fraction(s) is(are) converted into a second lithium transition metal oxide-based powder and, and —Mixing the first and second monolithic lithium transition metal oxide-based powder to obtain the N(M)C-based positive electrode material.

Abstract: A method for manufacturing a cobalt based hydroxide carbonate compound having a malachite-rosasite mineral structure, comprising the steps of: providing an first aqueous solution comprising a source of Co, providing a second aqueous solution comprising Na2CO3, mixing both solutions in a precipitation reactor at a temperature above 70° C., thereby precipitating a cobalt based hydroxide carbonate compound whilst evacuating from the reactor any CO2 formed by the precipitation reaction, wherein the residence time of the compound in the reactor is between 1 and 4 hours, and recovering the cobalt based hydroxide carbonate compound. The cobalt based hydroxide carbonate compound is used as a precursor of a lithium cobalt based oxide usable as an active positive electrode material in lithium ion batteries.

Abstract: A crystalline precursor compound for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor having a general formula Li1?a((Niz(Ni1/2 Mn1/2)yCox)1?k Ak)1+aO2, wherein x+y+z=1, 0.1?x?0.4, 0.25?z?0.52, A is a dopant, 0?k?0.1, and 0.03?a?0.35, wherein the precursor has a crystalline size L expressed in nm, with 15?L?36. Also a method is described for manufacturing a positive electrode material having a general formula Li1+a?M?1?a?O2, with M?=(Niz(Ni1/2 Mn1/2)yCOx)1?k Ak, wherein x+y+z=1.0.1?x?0.4, 0.25?z?0.52, A is a dopant, 0?k?0.1, and 0.01?a??0.10, by sintering the lithium deficient precursor powder mixed with either one of LiOH, LiOH.H2O, in an oxidizing atmosphere at a temperature between 800 and 1000° C., for a time between 6 and 36 hrs.

Abstract: A lithium metal oxide powder for a cathode material in a rechargeable battery, consisting of a core and a surface layer, the surface layer being delimited by an outer and an inner interface, the inner interface being in contact with the core, the core having a layered crystal structure comprising the elements Li, M and oxygen, wherein M has the formula M=(Niz (Ni1/2 Mn1/2)y Cox)1-k Ak, with 0.15?x?0.30, 0.20?z?0.55, x+y+z=1 and 0<k?0.1, wherein the Li content is stoichiometrically controlled with a molar ratio 0.95?Li:M?1.10; wherein A is at least one dopant and comprises Al; wherein the core has an Al content of 0.3-3 mol % and a F content of less than 0.05 mol %; and wherein the surface layer has an Al content that increases continuously from the Al content of the core at the inner interface to at least 10 mol % at the outer interface, and a F content that increases continuously from less than 0.